EP1738507A4 - Ofdm communication channel - Google Patents

Ofdm communication channel

Info

Publication number
EP1738507A4
EP1738507A4 EP04801589A EP04801589A EP1738507A4 EP 1738507 A4 EP1738507 A4 EP 1738507A4 EP 04801589 A EP04801589 A EP 04801589A EP 04801589 A EP04801589 A EP 04801589A EP 1738507 A4 EP1738507 A4 EP 1738507A4
Authority
EP
European Patent Office
Prior art keywords
communication channel
ofdm communication
ofdm
channel
communication
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP04801589A
Other languages
German (de)
French (fr)
Other versions
EP1738507A2 (en
Inventor
Zion Hadad
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1738507A2 publication Critical patent/EP1738507A2/en
Publication of EP1738507A4 publication Critical patent/EP1738507A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0003Two-dimensional division
    • H04L5/0005Time-frequency
    • H04L5/0007Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0071Use of interleaving
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2602Signal structure
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0037Inter-user or inter-terminal allocation
    • H04L5/0039Frequency-contiguous, i.e. with no allocation of frequencies for one user or terminal between the frequencies allocated to another
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/02Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618Space-time coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
EP04801589A 2003-12-03 2004-12-05 Ofdm communication channel Withdrawn EP1738507A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL15917303A IL159173A0 (en) 2003-12-03 2003-12-03 Ofdm communication channel
PCT/IL2004/001103 WO2005054975A2 (en) 2003-12-03 2004-12-05 Ofdm communication channel

Publications (2)

Publication Number Publication Date
EP1738507A2 EP1738507A2 (en) 2007-01-03
EP1738507A4 true EP1738507A4 (en) 2011-11-30

Family

ID=33485315

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04801589A Withdrawn EP1738507A4 (en) 2003-12-03 2004-12-05 Ofdm communication channel

Country Status (4)

Country Link
US (1) US20100290425A1 (en)
EP (1) EP1738507A4 (en)
IL (1) IL159173A0 (en)
WO (1) WO2005054975A2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4331221B2 (en) * 2007-03-15 2009-09-16 株式会社東芝 Wireless communication method, wireless transmission device, and wireless reception device
KR101667428B1 (en) * 2009-08-25 2016-10-18 한국전자통신연구원 Preamble generation method and apparatus of station, data frmae generation method
KR101412006B1 (en) * 2012-10-25 2014-06-26 서울대학교산학협력단 WLAN service method and WLAN system
US9866297B2 (en) 2013-08-01 2018-01-09 Lg Electronics Inc. Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals
CN105474632B (en) * 2013-08-14 2019-03-12 Lg电子株式会社 It transmits the device and method of broadcast singal and receives the device and method of broadcast singal
CN105453555B (en) 2013-08-14 2019-07-12 Lg电子株式会社 The method for transmitting the device of broadcast singal, transmitting the method for broadcast singal and receiving broadcast singal
EP3391563A4 (en) * 2015-12-16 2019-04-24 Telefonaktiebolaget LM Ericsson (publ) Transmitting communication device, receiving communication device and method performed therein comprising mapping the constellation symbols

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020085641A1 (en) * 2000-12-29 2002-07-04 Motorola, Inc Method and system for interference averaging in a wireless communication system
WO2003043245A1 (en) * 2001-11-10 2003-05-22 Samsung Electronics Co., Ltd. Stfbc coding/decoding apparatus and method in an ofdm mobile communication system

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69841693D1 (en) * 1998-01-06 2010-07-15 Mosaid Technologies Inc System for multicarrier modulation, with variable symbol speeds
US6937665B1 (en) * 1999-04-19 2005-08-30 Interuniversitaire Micron Elektronica Centrum Method and apparatus for multi-user transmission
US6289000B1 (en) * 2000-05-19 2001-09-11 Intellon Corporation Frame control encoder/decoder for robust OFDM frame transmissions
US7190683B2 (en) * 2000-10-27 2007-03-13 L-3 Communications Corporation Two-dimensional channel bonding in a hybrid CDMA/FDMA fixed wireless access system to provide finely variable rate channels
US6947748B2 (en) * 2000-12-15 2005-09-20 Adaptix, Inc. OFDMA with adaptive subcarrier-cluster configuration and selective loading
US7349478B2 (en) * 2001-12-06 2008-03-25 Pulse-Link, Inc. Ultra-wideband communication apparatus and methods
US7032159B2 (en) * 2002-02-28 2006-04-18 Texas Instruments Incorporated Error correction code parameter selection in a communication system
US7295626B2 (en) * 2002-03-08 2007-11-13 Alvarion Ltd. Orthogonal division multiple access technique incorporating single carrier and OFDM signals
US7042858B1 (en) * 2002-03-22 2006-05-09 Jianglei Ma Soft handoff for OFDM
AU2003247032A1 (en) * 2002-07-17 2004-02-02 Koninklijke Philips Electronics N.V. Time-frequency interleaved mc-cdma for quasi-synchronous systems
US20040081131A1 (en) * 2002-10-25 2004-04-29 Walton Jay Rod OFDM communication system with multiple OFDM symbol sizes
EP1445906B1 (en) * 2002-12-09 2006-05-31 Rohde & Schwarz GmbH & Co. KG Method and device for analysing an OFDM signal
DE60313505T2 (en) * 2003-02-13 2007-12-27 Ntt Docomo Inc. DIFFERENTIAL TRANSMISSION AND RECEPTION DIVERSITY WITH MULTIPLE LENGTH

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020085641A1 (en) * 2000-12-29 2002-07-04 Motorola, Inc Method and system for interference averaging in a wireless communication system
WO2003043245A1 (en) * 2001-11-10 2003-05-22 Samsung Electronics Co., Ltd. Stfbc coding/decoding apparatus and method in an ofdm mobile communication system

Also Published As

Publication number Publication date
WO2005054975A3 (en) 2005-10-20
US20100290425A1 (en) 2010-11-18
WO2005054975A2 (en) 2005-06-16
IL159173A0 (en) 2004-06-01
EP1738507A2 (en) 2007-01-03

Similar Documents

Publication Publication Date Title
EP1676380A4 (en) Multiple channel wireless communication system
EP1563622A4 (en) Channel estimation for ofdm communication systems
GB2408415B (en) Networks
IL216326A0 (en) Efficient signaling over access channel
EP1687647A4 (en) Reliable multicast communication
GB0322859D0 (en) Communication
EP1598965A4 (en) Communication system
EP1762010A4 (en) Multi-carrier communication using adaptive tone-pruning
EP1662722A4 (en) Packet communication method
EP1470648A4 (en) Multiple channel wireless communication system
EP1704457A4 (en) Device with improved serial communication
AU2003289372A1 (en) Multi-carrier communication apparatus
GB0216278D0 (en) Communication channel selection
GB0326509D0 (en) Telecommunication
IL159173A0 (en) Ofdm communication channel
GB2415870B (en) Multi-carrier communications
GB0311345D0 (en) Communication device
GB0325165D0 (en) Communication system
EP1597887A4 (en) Ofdm communication device
ZA200606097B (en) Networks
GB0319454D0 (en) Communication system
GB0324878D0 (en) Communication system
GB0304043D0 (en) Networks
GB0318735D0 (en) Communication system
GB0300704D0 (en) Communication channel selection

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20061103

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20111103

RIC1 Information provided on ipc code assigned before grant

Ipc: H04L 1/00 20060101AFI20111027BHEP

Ipc: H04L 5/00 20060101ALI20111027BHEP

Ipc: H04L 27/26 20060101ALI20111027BHEP

17Q First examination report despatched

Effective date: 20120328

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20121009